Bug#1111125: pmix: Makes openmpi crash on startup

[Drew Parsons]

Source: pmix
Followup-For: Bug #1111125

Hi Samuel, the pmix problem is only affecting openmpi,
mpich is already updated.

32-bit arches use mpich (openmpi 5 no longer supports them)
which is why you're only seeing the problem on 64-bit.

Drew